已知
.
(1)求不等式
的解集;
(2)设
,在同一坐标系内画出函数
和
的图象,并根据图象写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04af3afd7e470577e22c31498e39c080.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18b9ce361d2a9fa883f2a2dc8a77433.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55cd0b5197e384d8c9f76d1d014a077a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047d0c452ed094c510bead67d035ec.png)
更新时间:2020-04-24 07:19:59
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知
.
(1)当
时,求不等式
的解集;
(2)若
时不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f469bc01638f4808dbe7abd65db40b22.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7b339246d52b29603d33c152f44de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699f589bd63355d42a53a0d3d28ff64c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5f829d1b00f6493e30a016941ee1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f1362e610bdd07c0c74294b510ac8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近半年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)求不等式
的解集;
(2)若
,使得不等式
成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7118721b45bdc672c009c64140e103e0.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369100ccd44feaa77e5f119ea949a879.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d80c6a0acd09d29f53ded2740c402e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee69468cc1c3a3e3513d979222ed923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近半年使用:0次
解答题-作图题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
.
(Ⅰ)写出函数
的分段解析表达式,并作出
的图象;
(Ⅱ)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755b54bc69946fc562d4dd6956905b03.png)
(Ⅰ)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7b11e5f81f2d8857053d3edf99a6b6.png)
![](https://img.xkw.com/dksih/QBM/2017/7/14/1730035936485376/1731493756878848/STEM/0e625cad-8449-49ce-9fdc-20d4d99c1606.png?resizew=264)
您最近半年使用:0次
解答题-作图题
|
适中
(0.65)
解题方法
【推荐2】已知函数
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/7901ed1c-5141-485d-94ce-9849d954d644.png?resizew=184)
(1)当
时,在同一坐标系中画出函数
与
的图象,根据图象间的关系直接写出不等式
的解集;
(2)若存在
,
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8327be2dd861aba12773e281c6f3582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ecc7934f68edc84d761ed3f69d28144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/7901ed1c-5141-485d-94ce-9849d954d644.png?resizew=184)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f6d698ee61ffd2e429abfec3190a47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540b1c1d264521bb5d94b24789101793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ea5ed4905079c5d9f90ac03e032fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近半年使用:0次